Pottery Plaster 50#

Product Description

An excellent medium for castings, original models, and especially for making molds for slip casting.
Pottery Plaster is Non Toxic.

This finely pulverized, highly absorbent white pottery plaster is for castings, original models and especially for making molds for slip casting.

Pottery Plaster Mixing Directions For making Plaster molds use the following ratio:
3 Lb. Plaster/2 Pints Water

This will make 80 cubic inches of cast plaster.
To calculate a specific mold size multiply the mold's Width x Length x Height in inches. Divide by 80 to give you the number of quarts needed for your specific mold. Use the same ratio of plaster to water above to establish the amount of plaster to use for your specific mold.

Available in a 5 lb. carton or 50 lb. bag.